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Petroleum and natural gas industries - Selection and adaptability evaluation of casing for shale oil and gas wells
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Basic data
| Standard ID | GB/T 43231-2023 (GB/T43231-2023) |
| Description (Translated English) | Petroleum and natural gas industries - Selection and adaptability evaluation of casing for shale oil and gas wells |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | E92 |
| Classification of International Standard | 75.180.10 |
| Word Count Estimation | 26,236 |
| Date of Issue | 2023-09-07 |
| Date of Implementation | 2024-01-01 |
| Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration |
GB/T 43231-2023: Petroleum and natural gas industries - Selection and adaptability evaluation of casing for shale oil and gas wells
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 75.180.10
CCSE92
National Standards of People's Republic of China
Selection of casing for shale oil and gas wells in the oil and gas industry
and evaluation of applicability to working conditions
Published on 2023-09-07
2024-01-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration Committee
Table of contents
PrefaceⅠ
1 Scope 1
2 Normative reference documents 1
3 Terms and Definitions 1
4 symbol 2
5 Casing string selection, evaluation and design3
5.1 Casing string selection and evaluation 3
5.2 Casing string strength design method 4
5.3 Casing string strain design method 6
5.4 Safety factor 6
6 Technical requirements 7
6.1 Manufacturing method 7
6.2 Chemical composition 7
6.3 Tensile properties 7
6.4 Hardness 8
6.5 Charpy (V-notch) impact absorbed energy 8
6.6 Grain size 9
6.7 Non-metallic inclusions 9
6.8 Geometric dimensions and mass 9
6.9 Hydrostatic pressure test 10
6.10 Residual stress10
6.11 Crush strength10
7 Casing suitability evaluation12
7.1 Applicability evaluation process 12
7.2 Sample 12
7.3 Installation requirements 13
7.4 Technical requirements for applicability evaluation 13
7.5 Suitability evaluation test procedures 14
Appendix A (normative) Casing shear resistance evaluation method 19
Appendix B (normative) Evaluation method for casing resistance to non-uniform external extrusion 21
Foreword
This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents"
Drafting.
Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents.
This document is proposed and coordinated by the National Petroleum and Natural Gas Standardization Technical Committee (SAC/TC355).
This document was drafted by. China National Petroleum Corporation Engineering Materials Research Institute Co., Ltd., China National Petroleum Corporation Southwest Oil and Gas
Tian Branch, China National Petroleum Corporation Chuanqing Drilling Engineering Co., Ltd., China Petroleum Materials Co., Ltd., China National Petroleum Corporation
Xinjiang Oilfield Branch, Daqing Oilfield Co., Ltd., PetroChina Exploration and Production Branch, Sinopec
Changqing Oilfield Branch of Oil and Gas Co., Ltd., Tianjin Steel Pipe Manufacturing Co., Ltd., Hengyang Valin Steel Pipe Co., Ltd., Baoji Petroleum Steel
Pipe Co., Ltd., Xi'an Petroleum University, Qingdao University of Technology, Northeast Petroleum University, Xi'an Sanhuan Petroleum Pipe Technology Co., Ltd.
The main drafters of this document. Yang Shangyu, Han Lihong, Wang Jianjun, Zeng Bo, Cai Meng, Lu Zongyu, Fang Wei, Wei Fengqi, Song Yi, Qu Ling, Wang Peng,
Ouyang Yong, Zhang Ping, Zhou Xiaojin, Lu Caihong, Qi Yue, Li Dongfeng, Huang Yongzhi, Wen Chunyu, Zhao Yinghui, Liu Haiping, Cao Jing, Mou Yisheng, Yan Yan,
Yang Siqi, Zhao Yunfeng, Dong Xiaowei, Li Yuanzheng, Fan Heng, Bi Gang, Zhao Xinbo, Shao Bing, Jia Shanpo, Cao Feng.
Selection of casing for shale oil and gas wells in the oil and gas industry
and evaluation of applicability to working conditions
1 Scope
This document stipulates the selection, evaluation and design of production casing strings for shale oil and gas wells, technical requirements, and evaluation of the suitability of casing working conditions.
This document is applicable to the selection and evaluation of production casing strings for shale oil and gas wells, and is also applicable to casing strings for mudstone-containing sections and carbonate rock sections.
Selection and evaluation.
2 Normative reference documents
The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations
For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to
this document.
GB/T 6394 Determination of average grain size of metals
GB/T 9253 Processing, measurement and inspection of casing, tubing and line pipe threads in the oil and gas industry
GB/T 10561 Standard rating chart microscopic examination method for determination of non-metallic inclusion content in steel
GB/T 17745 Maintenance and use of casing and tubing in the oil and gas industry
GB/T 18052 Measurement and inspection methods of casing, tubing and line pipe threads
GB/T 19830 Steel pipes for oil and gas well casing or tubing in the petroleum and natural gas industry
GB/T 20657 Performance formulas and calculations for casing, tubing, drill pipe and line pipe used as casing or tubing in the oil and gas industry
GB/T 21267 Test procedures for threaded connections of casing and tubing in the oil and gas industry
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Shear strength shearstrength
The external shear load value that produces the minimum yield stress on the inner wall of the casing.
3.2
Maximum strain designstrain
The maximum equivalent strain produced in the radial direction of the casing under formation slip conditions.
3.3
allowablestrain allowablestrain
The maximum strain value that the casing can withstand.
3.4
Threaded joint connection
A combination of an external thread and its associated coupling or a complete coupling.
...
